xref: /openssl/include/crypto/aria.h (revision 78f32a31)
1 /*
2  * Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
3  * Copyright (c) 2017, Oracle and/or its affiliates.  All rights reserved.
4  *
5  * Licensed under the Apache License 2.0 (the "License").  You may not use
6  * this file except in compliance with the License.  You can obtain a copy
7  * in the file LICENSE in the source distribution or at
8  * https://www.openssl.org/source/license.html
9  */
10 
11  /* Copyright (c) 2017 National Security Research Institute.  All rights reserved. */
12 
13 #ifndef OSSL_CRYPTO_ARIA_H
14 # define OSSL_CRYPTO_ARIA_H
15 # pragma once
16 
17 # include <openssl/opensslconf.h>
18 
19 # ifdef OPENSSL_NO_ARIA
20 #  error ARIA is disabled.
21 # endif
22 
23 # define ARIA_ENCRYPT     1
24 # define ARIA_DECRYPT     0
25 
26 # define ARIA_BLOCK_SIZE    16  /* Size of each encryption/decryption block */
27 # define ARIA_MAX_KEYS      17  /* Number of keys needed in the worst case  */
28 
29 typedef union {
30     unsigned char c[ARIA_BLOCK_SIZE];
31     unsigned int u[ARIA_BLOCK_SIZE / sizeof(unsigned int)];
32 } ARIA_u128;
33 
34 typedef unsigned char ARIA_c128[ARIA_BLOCK_SIZE];
35 
36 struct aria_key_st {
37     ARIA_u128 rd_key[ARIA_MAX_KEYS];
38     unsigned int rounds;
39 };
40 typedef struct aria_key_st ARIA_KEY;
41 
42 
43 int ossl_aria_set_encrypt_key(const unsigned char *userKey, const int bits,
44                               ARIA_KEY *key);
45 int ossl_aria_set_decrypt_key(const unsigned char *userKey, const int bits,
46                               ARIA_KEY *key);
47 
48 void ossl_aria_encrypt(const unsigned char *in, unsigned char *out,
49                        const ARIA_KEY *key);
50 
51 #endif
52